Photoisomerization: Causes, Behavior and Effects

Diego Sampedro (Editor)
Universidad de La Rioja, Departamento de Química, Madre de Dios, Logroño, Spain

Series: Chemistry Research and Applications
BISAC: SCI013000

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Different applications and uses of light energy have emerged over the last few years in many different fields such as in medicine, material science, energy and biochemistry. New and exciting applications of light-controlled processes have become practical in the diagnosis and treatment of diseases, the preparation and use of functional materials, the storage of solar energy and the control of biological properties. Many of these applications are based on a very simple chemical step: a photoisomerization.

The isomerization of a chemical double bond allows for the control with extreme spatial and temporal resolution of complex systems. Nature offers different examples of very complex functions that are initiated by this type of simple chemical. Upon photon absorption, the light energy can be used to induce a chemical (geometrical) change that influences the protein environment that triggers a specific signal or function. Inspired by these amazing and extremely efficient processes, many efforts have been devoted to the modification of natural systems and to the design of new applications, using simple and tunable photoisomerizations.

Accordingly, the preparation of photoactive molecular devices based on photoisomerizations and the use of these species in different applications is now a very active scientific field, with profound implications in our everyday lives. In this book, the fundamental aspects of the photoisomerization of many different chemical structures containing C=C, N=N and C=N double bonds is covered. Different experimental and computational tools used to study these processes are discussed and some specific applications of different compounds are presented.
(Imprint: Nova)

Preface

Chapter 1. Molecular Photoswitches Based on E / Z Isomerizations
(Diana Fernández-Martínez and Diego Sampedro, Department of Chemistry, Centro de Investigación en Síntesis Química (CISQ), Universidad de La Rioja, Logroño, Spain)

Chapter 2. Photoisomerization of Polypyridyl Ruthenium(II) Aquo Complexes
(Yuki Tanahashi, Shunske Watabe, Eman A. Mohamed, Yuta Tsubonouchi, Zaki N. Zahran, Masanari Hirahara and Masayuki Yagi, Department of Materials Science and Technology, Faculty of Engineering, Niigata University, Niigata, Japan, and others)

Chapter 3. Photoisomerization and Properties of Photoisomers of Carbocyanine Dyes
(Pavel G. Pronkin and Alexander S. Tatikolov, N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia)

Chapter 4. Azoheteroarene Photoswitches: Synthesis, Photoswitching and Utility
(Surbhi Grewal, Debapriya Gupta, Ankit Kumar Gaur, Mayank Saraswat and Sugumar Venkataramani, Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER), Mohali, Manauli, India)

Chapter 5. Retinal Inspired Photoswitches: From the Isomerization Mechanisms toward Recent Applications
(Marco Marazzi and Cristina García-Iriepa, Departamento de Química, Centro de Investigación en Síntesis Química (CISQ), Universidad de La Rioja, Logroño, Spain, and others)

Chapter 6. Photoisomerization of Carbon-Carbon Double Bonds as Key Step in Organic Synthesis
(Javier I. Bardagi, Sofía Caby, Silvia M. Soria-Castro and Gabriela Oksdath-Mansilla, INFIQC-CONICET-UNC, Dpto. de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba, Argentina)

Index

Keywords: Photochemistry, Photoswitches, Molecular Devices, Photochromism

This work covers from the basic features of the photoisomerization of different chromophores to the detailed study of a selection of compounds and state-of-the-art applications. This book will prove useful for a wide range of readers: from students of chemistry, biochemistry and materials science to experienced researchers wishing to gain expertise in this very active field.

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